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Not getting enough iron in the diet may result in anemia, a condition in which the blood a lower number of red blood cells than normal. Symptoms of anemia include dizziness, headaches, shortness of breath and fatigue, according to the National Institutes of Health. Anemia results in the body not getting enough oxygen rich blood.

Most anemia is short-term and will go away by adding iron-rich foods to the diet. Severe or longer-lasting cases may require the use of a supplement to boost iron levels.

Children can also become anemic when they consume too little iron. To increase an infant's iron levels, feed breast milk or an iron-fortified formula. Older babies can eat iron-fortified cereals to keep iron levels at an acceptable level.

To be sure iron is absorbed into the blood, it is best paired with vitamin C. Including foods rich in vitamin C such as leafy greens, oranges, tomatoes, broccoli or kiwi will help the body make the best use of the iron.

Other iron-rich foods include peas, iron-fortified cereal and pasta and beans.